42T4235 ASM 45N1000. ASM 42T4756 FRU 45N1001. Label Capacity: 94Wh. ThinkPad L430 ThinkPad L510. ThinkPad L530 ThinkPad T410. ThinkPad T420i ThinkPad T430. ThinkPad T520i ThinkPad T530. ThinkPad W520 ThinkPad W530.
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